Answer:
Complicating action.
Step-by-step explanation:
The complicating action is the beginning of the development of the conflict in the story, where there is a break in the course of the situations that initiates a conflict in the life of the protagonist(s).
Thus, this conflict begins, which operates as a disruptive event for the protagonists, who from that moment face a series of unknown situations, usually dangerous, with the aim of resolving the conflict and returning to normality.